Scalable SaaS Product Engineering & Custom CRM Platforms
We build high-growth multi-tenant SaaS products, custom CRM platforms, automated subscription billing engines, and seamless enterprise sales pipelines designed to scale to millions of users.
SaaS & CRM
DevXpire Certified CoreWhat We Build Under SaaS & CRM
Each capability is built following production best practices, rigorous testing, and high-performance design patterns.
Multi-Tenant SaaS Product Architecture
Scalable multi-tenant cloud architecture with complete tenant data isolation, custom subdomains, and granular permissions.
- Tenant isolation (Row-level & DB per tenant)
- Custom domain & SSL provisioning
- Role-Based Access Control (RBAC) & Teams
- SSO & SAML enterprise login
Custom CRM Development & Pipeline Automation
Bespoke CRM platforms built around your sales stages, deal pipelines, lead scoring, and automated communications.
- Custom deal stages & Kanban boards
- Lead scoring & intelligent routing
- Omnichannel email & SMS logging
- Automated sales sequence triggers
Stripe Billing & Subscription Management
Complex recurring subscription architectures with tiered pricing, usage-based metering, trials, and automated invoice reconciliation.
- Stripe Billing & Customer Portal
- Usage-based metering & overages
- Automated dunning & card recovery
- Multi-currency taxation (Stripe Tax)
HubSpot & Salesforce Bi-Directional Sync
Seamless bi-directional integration with Salesforce, HubSpot, and Zoho to synchronize leads, contacts, opportunities, and activities.
- Real-time two-way webhook sync
- Field mapping & conflict resolution
- Custom Salesforce Apex triggers
- HubSpot custom CRM cards
SaaS Analytics & Executive Dashboards
Real-time telemetry tracking MRR, ARR, Churn, Net Revenue Retention (NRR), LTV/CAC, and user engagement metrics.
- Live MRR/ARR financial dashboards
- Cohort retention & churn analysis
- Product usage telemetry
- Executive report exports (CSV/PDF)
Public APIs & Developer Platforms
Empowering your SaaS customers with developer-friendly REST/GraphQL APIs, API key management, webhooks, and documentation.
- API key generation & rate-limiting
- Outgoing webhook dispatcher engine
- Interactive API documentation (OpenAPI)
- SDK generation for JS/Python
Specialized Stack for SaaS & CRM
We leverage modern frameworks, cloud infrastructure, and battle-tested APIs to ensure your software is fast, maintainable, and future-proof.
Our 4-Phase Delivery Process for SaaS & CRM
A structured, predictable agile workflow ensuring transparent communication and on-time milestone delivery.
Data Modeling & Multi-Tenancy Design
We define the tenant hierarchy, team permissions, database schema isolation strategy, and subscription tier matrices.
- Multi-Tenant Data Schema
- RBAC Permission Matrix
- Subscription Tier Logic Plan
SaaS Design System & Dashboard UI
Designing intuitive, high-density SaaS interfaces, onboarding flows, settings portals, and custom CRM Kanban boards.
- Figma SaaS UI Kit
- Onboarding & Billing Flow UI
- Interactive Prototype
Full-Stack Engineering & Billing Sync
Engineering the multi-tenant backend, Stripe webhooks, user invitation flows, and CRM data pipeline integrations.
- Multi-Tenant SaaS App
- Stripe Webhook Engine
- SSO & Auth Integration
Security Audits & Launch Preparation
Conducting tenant boundary isolation testing, payment webhook reconciliation tests, and scaling infrastructure.
- Production SaaS Deployment
- Developer API Documentation
- SaaS Health Telemetry
Why DevXpire for SaaS & CRM?
Senior engineering, rapid velocity, and measurable business outcomes built into every phase.
Built by SaaS Founders
Our team understands SaaS economics: MRR, retention, churn minimization, and seamless user onboarding mechanics.
Bulletproof Data Isolation
Strict PostgreSQL Row-Level Security (RLS) policies and automated integration tests ensuring zero cross-tenant data leaks.
Enterprise Ready from Day 1
We architect your platform with SSO (SAML/Okta), audit trails, and role permissions ready to close enterprise contracts.
Flawless Stripe Integrations
Battle-tested webhook handlers that gracefully handle failed renewals, upgrades, prorations, and regional tax compliance.
Frequently Asked Questions: SaaS & CRM
Answers to key technical, pricing, and workflow questions regarding this service.
We implement rigorous multi-tenancy patterns using PostgreSQL Row-Level Security (RLS), tenant-scoped connection middleware, and tenant-keyed foreign relationships. Every database query is strictly filtered by the authenticated user’s tenant ID.
Ready to Build Your SaaS & CRM Platform?
Schedule a discovery call with our dedicated solutions team. We will analyze your project scope and deliver an actionable technical roadmap.